- Direct replacement for Mercury ignition switches: Compatible with models 8717009A2 and 8717009A5. Also replaces Sierra part numbers MP41070, MP410702, and MP410701. - Features a push-to-choke design with 6 wires, ensuring easy and reliable starting of your boat engine. - Constructed from high-performance polyester and premium brass, this ignition switch is built to withstand harsh marine conditions, providing long-lasting durability and performance. - Ideal for a variety of applications including personal boats, fishing vessels, and pontoons, ensuring you get back on the water quickly and efficiently. - Each package includes one ignition key switch, designed for easy installation and seamless operation in your boating system. - Upgrade your boating experience with this dependable ignition switch, ensuring compatibility and performance for Mercury and Sierra engine models.